package com.bw;

import com.bw.bean.Goods;
import com.bw.bean.Goods2;
import com.bw.bean.User;
import org.apache.ibatis.annotations.Param;

import java.util.List;

public interface IService {
    List<User> list();
    List<User> list2();
    List<Goods> list3();
    List<Goods2> list4();
    int add(User user);
    int del(int id);

}
